Supporting Digital Rights Management (DRM) with High-Capacity SIM Cards
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This paper shows how subscriber identity module (SIM)-based digital rights management (DRM) can enable operators both to ensure their central role in delivering multimedia content and services to mobile handset users and greatly enhance the user experience and customer relationships. It begins with a review of content delivery networks capable of handling multimedia files, including streaming broadcast television and audio streams. It then describes how users typically download this content to their handsets, and lists the requirements for secure, high-capacity memory for content protection. It presents popular standards for mobile DRM and various mobile DRM usage schemes that can be implemented with external memory cards and SIM cards, comparing the different memory solutions and their protection levels, ease of implementation, scalability, performance and cost. This paper concludes with a review of the requirements for using M-Systems' MegaSIM chipset for DRM, and how MegaSIM assists the MNO community to control, enhance, and expand their customer multimedia service offerings, thereby securing a larger share of multimedia revenues.
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